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Product description:
Povidone pvp k30 is divided into four levels according to its average molecular weight. It is usually expressed by K value, and different K values represent the corresponding PVP average molecular weight range. The K value is actually a characteristic value related to the relative viscosity of the PVP aqueous solution, and the viscosity is a physical quantity related to the molecular weight of the polymer, so the K value can be used to characterize the average molecular weight of PVP. Generally, the greater the K value, the greater the viscosity and the stronger the adhesion. The K value of polyvinylpyrrolidone is 30, and the appearance is white or milky white powder or granules.
Basic Info
●Model NO.: povidone k30
●Mf: [C6H9NO]n
●Trademark: ULKM
●Origin: China
●CAS No.: 9003-39-8
●Package: 25kg /Cardboard Drum
●Specification: Bp/Ep/Usp
●HS Code: 39059900
●Boiling point: ≥130℃
Application:
Povidone k30 is widly used in pharmaceutical field , and it is one of medicinal synthetic excipients, mainly used as stabilizer for enzymes and heat-sensitive drugs, co-precipitant for poorly soluble drugs.
Physical properties:
1.Complexity:
This ability enables Povidone pvp k30 form solid complexes with many substances, especially compounds containing hydroxyl, carboxyl, amino and other active hydrogen atoms.
2.Film-forming and hygroscopicity:
Povidone pvp k30 can be cast or coated to form a film from a solution of water, methanol, ethanol, chloroform or dichloroethane. The formed film is colorless, transparent, hard and bright, and the solvent has no effect on the formed film.
http://www.ulkmpvp.com/
